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| author | Lionel Debieve <lionel.debieve@st.com> | 2020-04-24 15:47:57 +0200 |
|---|---|---|
| committer | Patrick Delaunay <patrick.delaunay@st.com> | 2020-05-14 09:02:12 +0200 |
| commit | 36911fca63162d8309c2bc6443028b56a6411870 (patch) | |
| tree | c1d4fdc0c212b63fd404eadce061b07b2b255859 /drivers/clk/clk_stm32mp1.c | |
| parent | d7244e4a1fe72c9fbd63f74489099051887b2e89 (diff) | |
| download | u-boot-36911fca63162d8309c2bc6443028b56a6411870.tar.gz u-boot-36911fca63162d8309c2bc6443028b56a6411870.tar.bz2 u-boot-36911fca63162d8309c2bc6443028b56a6411870.zip | |
clk: stm32mp1: fix CK_MPU calculation
When the CK_MPU used PLL1_MPUDIV, the current rate is
wrong. The clock must use stm32mp1_mpu_div as a shift
value. Fix the check value used to enter PLL_MPUDIV.
Signed-off-by: Lionel Debieve <lionel.debieve@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Diffstat (limited to 'drivers/clk/clk_stm32mp1.c')
| -rw-r--r-- | drivers/clk/clk_stm32mp1.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/clk/clk_stm32mp1.c b/drivers/clk/clk_stm32mp1.c index 50df8425bf..0d0ea43fd2 100644 --- a/drivers/clk/clk_stm32mp1.c +++ b/drivers/clk/clk_stm32mp1.c @@ -954,10 +954,11 @@ static ulong stm32mp1_clk_get(struct stm32mp1_clk_priv *priv, int p) case RCC_MPCKSELR_PLL: case RCC_MPCKSELR_PLL_MPUDIV: clock = stm32mp1_read_pll_freq(priv, _PLL1, _DIV_P); - if (p == RCC_MPCKSELR_PLL_MPUDIV) { + if ((reg & RCC_SELR_SRC_MASK) == + RCC_MPCKSELR_PLL_MPUDIV) { reg = readl(priv->base + RCC_MPCKDIVR); - clock /= stm32mp1_mpu_div[reg & - RCC_MPUDIV_MASK]; + clock >>= stm32mp1_mpu_div[reg & + RCC_MPUDIV_MASK]; } break; } |